BS 1212-4:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Float operated valves Specification for compact type float operated valves for WC flushing cisterns (including floats)
Hardcopy , PDF
29-02-2016
English
31-10-1991
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Committees responsible
Foreword
Section 1. General
1 Scope
2 Definitions
3 Designation for ordering purposes
4 Marking
Section 2. Materials
5 General
6 Effect of materials on water quality
7 Plastics
8 Metals
9 Workmanship
Section 3. Design, construction and dimensions
10 General dimensional requirements
11 Inlet connections
12 Backnuts
13 Float adjustment
14 Discharge arrangements
Section 4. Performance
15 Inlet shank and backnuts distortion
16 Hydraulic pressure
17 Backflow
18 Flow
19 Endurance
20 Float
Appendix A - Distortion test for backnuts and inlet shanks
Appendix B - Shut-off pressure and lever deflection test
Appendix C - Dynamic pressure test
Appendix D - Method of test for backflow prevention
Appendix E - Flow test
Appendix F - Endurance test
Appendix G - Cold embrittlement test
Publication(s) referred to
Requirements for nominal size ½ compact float operated valves, of reducing flow type incorporating a float and renewable seat or no less effective assembly for use at operation pressures between 0.1 and 14 bar.
| Committee |
B/504
|
| DevelopmentNote |
Supersedes 88/14188 DC. (06/2005) Reviewed and confirmed by BSI, March 2013. (03/2013)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| DIN EN 997:2015-09 | WC PANS AND WC SUITES WITH INTEGRAL TRAP |
| DIN EN 14055:2015-09 | WC AND URINAL FLUSHING CISTERNS |
| BS 6465-3:2006 | Sanitary installations Code of practice for the selection, installation and maintenance of sanitary and associated appliances |
| BS EN 997 : 2012 | WC PANS AND WC SUITES WITH INTEGRAL TRAP |
| BS 1125:1987 | Specification for WC flushing cisterns (including dual flush cisterns and flush pipes) |
| BS 6700(2006) : 2006 | DESIGN, INSTALLATION, TESTING AND MAINTENANCE OF SERVICES SUPPLYING WATER FOR DOMESTIC USE WITHIN BUILDINGS AND THEIR CURTILAGES - SPECIFICATION |
| BS EN 14055 : 2010 | WC AND URINAL FLUSHING CISTERNS |
| 17/30357395 DC : DRAFT SEP 2017 | BS EN 14055 - WC AND URINAL FLUSHING CISTERNS |
| BS 5503-3:1990 | Vitreous china washdown WC pans with horizontal outlet Specification for WC pans with horizontal outlet for use with 7.5 L maximum flush capacity cisterns |
| EN 997:2012+A1:2015 | WC pans and WC suites with integral trap |
| 07/30164234 DC : 0 | BS EN 14055 - WC AND URINAL FLUSHING CISTERNS |
| UNE-EN 997:2013 | WC pans and WC suites with integral trap |
| PREN 14055 : DRAFT 2017 | WC AND URINAL FLUSHING CISTERNS |
| I.S. EN 997:2012 | WC PANS AND WC SUITES WITH INTEGRAL TRAP |
| EN 14055:2010+A1:2015 | WC and urinal flushing cisterns |
| BS 5504-4:1990 | Wall hung WC pan Specification for wall hung WC pans for use with 7.5 L maximum flush capacity cisterns |
| 10/30215042 DC : 0 | BS EN 997 - WC PANS AND WC SUITES WITH INTEGRAL TRAP |
| I.S. EN 14055:2010 | WC AND URINAL FLUSHING CISTERNS |
| UNE-EN 14055:2011 | WC and urinal flushing cisterns |
| BS 4118:1981 | Glossary of sanitation terms |
| BS 2871-1:1971 | Specification for copper and copper alloys. Tubes Copper tubes for water, gas and sanitation |
| BS 6100-2.7(1988) : 1988 | GLOSSARY OF BUILDING AND CIVIL ENGINEERING TERMS - CIVIL ENGINEERING - PUBLIC HEALTH. ENVIRONMENTAL ENGINEERING |
| BS 970-4:1970 | Specification for wrought steels for mechanical and allied engineering purposes Valve steels |
| BS 6100-3.3(1991) : 1991 | GLOSSARY OF BUILDING AND CIVIL ENGINEERING TERMS - SERVICES - SANITATION |
| BS 2873:1969 | Specification for copper and copper alloys. Wire |
| BS 4608:1970 | Specification for copper for electrical purposes. Rolled sheet, strip and foil |
| BS 4605(1970) : LATEST | PRESENTATION OF LIBRARY DIRECTORIES |
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